USB connectivity type full seg TV tuner for Macs. USB connectivity supports bus-powered for easy setup. The double tuner allows you to simultaneously record two programs at the same time or record the back program while watching it. Now you can instantly transform your Mac into a TV with recording capabilities. Start your life without the need for a TV or a recorder! It also features a wireless TV function that allows you to enjoy using your smartphone/tablet via your network at home. You can change the way you enjoy your TV to match your viewing style by watching the show on your Mac in your bedroom or bath.